New York City, 1972-- A dabbler in mathematics and chess, Catherine Velis is also a computer expert for a Big Eight accounting firm. Before heading off to a new assignment in Algeria, Cat has her palm read by a fortune-teller. The woman warns Cat of danger. Then an antiques dealer approaches Cat with a mysterious offer: He has an anonymous client who is trying to collect the pieces of an ancient chess service, purported to be in Algeria. If Cat can...